37 lines
991 B
TypeScript
37 lines
991 B
TypeScript
import Decimal from "decimal.js"
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import { z } from "zod"
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type JsonifiedDecimalBrand = "@thilawyn/zod-schema-class/JsonifiedDecimal"
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export function decimal() {
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return z.custom<Decimal>(v => Decimal.isDecimal(v))
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}
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export module decimal {
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export function jsonifyDecimalSchema<S extends z.ZodType<Decimal>>(schema: S) {
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return schema
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.transform(v => v.toJSON())
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.brand<JsonifiedDecimalBrand>()
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}
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export function dejsonifyDecimalSchema<S extends z.ZodType<Decimal>>(schema: S) {
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return z
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.custom<string & z.BRAND<JsonifiedDecimalBrand>>()
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.pipe(
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z
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.string()
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.transform(v => {
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try {
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return new Decimal(v)
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}
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catch (e) {
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return v
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}
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})
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)
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.pipe(schema)
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}
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}
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